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Breast sonography from a 42-year-old woman with a suspicious breast mass (A) the breast sonography shows a hypoechoic mass in the left breast, located 1 cm away from the nipple in the 6 O'clock direction, with a spiculated margin, irregular shape, and crab foot sign. (B) Color Doppler sonography shows the presence of large blood vessels in the tumor, with obvious arterial blood flow signals.
